JPS60113930A - 半導体装置の樹脂封止成形方法 - Google Patents

半導体装置の樹脂封止成形方法

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Publication number
JPS60113930A
JPS60113930A JP22267883A JP22267883A JPS60113930A JP S60113930 A JPS60113930 A JP S60113930A JP 22267883 A JP22267883 A JP 22267883A JP 22267883 A JP22267883 A JP 22267883A JP S60113930 A JPS60113930 A JP S60113930A
Authority
JP
Japan
Prior art keywords
resin
cavity
mold
force
semiconductor device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP22267883A
Other languages
English (en)
Inventor
Shigemitsu Noguchi
野口　繁満
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP22267883A priority Critical patent/JPS60113930A/ja
Publication of JPS60113930A publication Critical patent/JPS60113930A/ja
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14639—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles for obtaining an insulating effect, e.g. for electrical components
    • B29C45/14655—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles for obtaining an insulating effect, e.g. for electrical components connected to or mounted on a carrier, e.g. lead frame
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/37—Mould cavity walls, i.e. the inner surface forming the mould cavity, e.g. linings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
    • B29C70/72—Encapsulating inserts having non-encapsulated projections, e.g. extremities or terminal portions of electrical components
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
    • H01L21/50—Assembly of semiconductor devices using processes or apparatus not provided for in a single one of the subgroups H01L21/06 - H01L21/326, e.g. sealing of a cap to a base of a container
    • H01L21/56—Encapsulations, e.g. encapsulation layers, coatings
    • H01L21/565—Moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
    • B29L2031/3406—Components, e.g. resistors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L2224/42—Wire connectors; Manufacturing methods related thereto
    • H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
    • H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
    • H01L2224/4805—Shape
    • H01L2224/4809—Loop shape
    • H01L2224/48091—Arched
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L2224/42—Wire connectors; Manufacturing methods related thereto
    • H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
    • H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
    • H01L2224/481—Disposition
    • H01L2224/48151—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
    • H01L2224/48221—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
    • H01L2224/48245—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic
    • H01L2224/48247—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic connecting the wire to a bond pad of the item
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L2224/42—Wire connectors; Manufacturing methods related thereto
    • H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
    • H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
    • H01L2224/484—Connecting portions
    • H01L2224/48463—Connecting portions the connecting portion on the bonding area of the semiconductor or solid-state body being a ball bond
    • H01L2224/48465—Connecting portions the connecting portion on the bonding area of the semiconductor or solid-state body being a ball bond the other connecting portion not on the bonding area being a wedge bond, i.e. ball-to-wedge, regular stitch

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【発明の詳細な説明】 〔発明の技術分野〕 この発明は、トランスファモールドによる半導体装置の
樹脂封止成形方法に関し、特に金型に圧入した封止用樹
脂の加熱硬化成形の改良に係わるものである０ 〔従来技術〕 従来の半導体装置の樹脂妻止成形方法は、第１図に金型
により樹脂封止成形した状態を断面図で示すようにして
いた０半導体チップ（１）をリードフレーム（２）のダ
イパッド（３）上に固着しである。半導体チップ（１）
とリードフレーム（２）の外部リード部（４）とは金属
細線（５）によりワイヤボンディングされている。この
ように半導体チップ（１）が装着されたリードフレーム
（２）を、上金型（６）及び下金型（７）のキャビティ
（６ａ）及び（７ａ）間に入れる０上、下金型（６）。
（７）を、内装されているヒータ（図示は略す）により
加熱する○キャビティ（６ａ）　、　（マａ）に液状の
封止用樹脂を圧入し、金型からの熱で硬化成形させ、樹
脂封止体（８）が形成される０ 上記従来の方法では、止金型（６）及び下金型（７）の
双方から封止用樹脂を加熱しており、封止用樹脂は全外
周面が金型に接しているので、硬化は表面全面から内部
へ順次化学反応を生じ硬化していく。
このため、樹脂表面が硬化した後に、内部が化学反応を
生じ硬化することになる。とのような状態で硬化すると
、内部の化学変化に伴う体積変化を補うことができず、
樹脂封止体（８）内部に空洞やひずみが生じていた０ 〔発明の概要〕 この発明は、上記従来の方法による欠点をなくするため
になされたもので、上、下金型のいづれか一方の型を、
少なくとも内側に断熱材を設けた型面にし、金型内に圧
入した封止用樹脂を、他方の金型側からの加熱によりこ
の側から次第に硬化して成形されるようにし、樹脂封止
体内に空洞を生ぜず、ひずみの発生をなくし半導体チッ
プや金属細線への影響をなくした、半導体装置の樹脂封
止成形方法を提供することを目的としている。
〔発明の実施例〕
第２図は仁の発明の一実施例による半導体装置の樹脂封
止成形方法を示す、金型によシ樹脂封土成形した状態の
断面図であり、（１）〜（５）　、（７１−（７ａ）は
上記従来のものと同一のものである０（ロ）は下金型で
、内側に断熱材（ロ）が固着されてあシ内面が部面に形
成されてキャビティ（１２ａ）が設けられである。下金
型（７）にはヒータ（図示は略す）が内装されてあり加
熱されるようにしている。α痔は成形された樹脂封止体
を示す。断熱材（イ）は熱伝導が小さく、成形型ともな
る材料、例えば陶磁器又はセラミックスなどを用いる。
上記一実施例による樹脂封止成形方法は、次のようにす
る。半導体チップ（１）を装着したリードフレーム（２
）を上、下金型（ロ）、（力のキャビティ（１２ａ）。
（７ａ）に入れ、下金型（力を加熱する。金型のキャビ
ティ（１２ａ）　、　（’？ａ）に封止用樹脂を圧入す
る。すると、上金型（ロ）側からは断熱材（６）Ｋより
熱伝達が遮断されておシ、封止用樹脂は下金型（７）側
からの熱伝達によシ加熱され゛る。こうして、封止用樹
脂は下方から次第に硬化してゆき、硬化の際の体積変化
は上方の未硬化部の樹脂によって補われる。これにより
、内部に空洞を生ぜずひずみの発生が少ない樹脂封止体
（至）が成形される。
なお、上記実施例でば下金型αυに断熱材＠を設けたが
、下金型の方に設は上金型にヒータを内装し加熱するよ
うにしてもよい。
また、上記実施例では金型の内側に断熱材を設けたが、
上金型全体又は下金型全体を断熱材により形成したもの
を用い、樹脂封止する方法によってもよい。
〔発明の効果〕
以上のように１この発明の方法によれば、上金型又は下
金型のいづれか一方の型に、少なくとも内側に断熱材を
設け、金型に圧入された封止用樹脂を他方の金型からの
熱伝達によシ加熱しこの側から次第に硬化するようにし
たので、樹脂封止体内に空洞を生じることなく、また、
ひずみの発生が少なくなり半導体チップや金属細線への
影響が少さくなる効果がある。
【図面の簡単な説明】
第１図は従来の半導体装置の樹脂封止成形方法を示す金
型によシ樹脂封止成形した状態の断面図、第２図はこの
発明の一実施例による半導体装置の樹脂封止成形方法を
示す金型により樹脂封止成形した状態の断面図である０ １・・・半導体チップ、２・・・リードフレーム、７・
・・下金型、７ａ・・・キャピテイ、１１・・・下金型
、１２・・・断熱材、１２ａ・・・キャピテイ、１３・
・・樹脂封止体なお、図中同一符号は同−又は相当部分
を示す０代理人　大岩増雄

Claims (2)

    【特許請求の範囲】
  1. （１）　上金型又は下金型のいづれか一方の型に、少な
    くとも内側に断熱材を設けて内面を型面にし、上記双方
    の金型のキャビティに半導体装置を入れ、上記他方の金
    型を加熱し、上記キャビティに封止用樹脂を圧入し、上
    記他方の金型からの熱伝達で上記封止用樹脂を熱硬化成
    形する半導体装置の樹脂封止成形方法。
  2. （２）上金型又は下金型のいづれか一方の型を断熱材に
    より形成しであることを特徴とする特許請求の範囲第１
    項記載の半導体装置の樹脂封止成形方法０
JP22267883A 1983-11-26 1983-11-26 半導体装置の樹脂封止成形方法 Pending JPS60113930A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22267883A JPS60113930A (ja) 1983-11-26 1983-11-26 半導体装置の樹脂封止成形方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22267883A JPS60113930A (ja) 1983-11-26 1983-11-26 半導体装置の樹脂封止成形方法

Publications (1)

Publication Number Publication Date
JPS60113930A true JPS60113930A (ja) 1985-06-20

Family

ID=16786205

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22267883A Pending JPS60113930A (ja) 1983-11-26 1983-11-26 半導体装置の樹脂封止成形方法

Country Status (1)

Country Link
JP (1) JPS60113930A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994014592A1 (en) * 1992-12-28 1994-07-07 Nippon Steel Chemical Co., Ltd. Injection molding method preventing generation of surface defects and metal molds for injection molding
US5368805A (en) * 1992-03-24 1994-11-29 Fuji Electric Co., Ltd. Method for producing resin sealed type semiconductor device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5368805A (en) * 1992-03-24 1994-11-29 Fuji Electric Co., Ltd. Method for producing resin sealed type semiconductor device
WO1994014592A1 (en) * 1992-12-28 1994-07-07 Nippon Steel Chemical Co., Ltd. Injection molding method preventing generation of surface defects and metal molds for injection molding
US5653932A (en) * 1992-12-28 1997-08-05 Nippon Steel Chemical Co., Ltd. Injection molding method for preventing formation of surface defects and mold assembly therefor

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